Summary of Contents for Thermo Scientific TSC Series
Page 1
Thermo Scientific TSC Series -40C and -86C Chest Freezer Operating and Maintenance Manual 7028763 Rev. 9 Visit us online to register your warranty www.thermoscientific.com/labwarranty...
Page 4
Always use the proper protective equipment (clothing, gloves, goggles, etc.) 4 Always dissipate extreme cold or heat and wear protective clothing. 4 Always follow good hygiene practices. 4 Each individual is responsible for his or her own safety. Thermo Scientific TSC Series...
Page 5
We can also provide you with a quotation on our Extended Warranty for your Thermo Scientific products. Whatever Thermo Scientific products you need or use, we will be happy to discuss your applications. If you are experiencing technical problems, working together, we will help you locate the problem and, chances are, correct it yourself...over the telephone without a service...
Key lock Control Panel Optional Back Up System Controls Optional Datalogger or Recorder Figure 1-1. Front View 3 cu ft Models Keylock EnviroScan Control Optional BUS Control Optional Recorder or Datalogger Figure 1-2. Front View Remaining Models Thermo Scientific TSC Series...
Page 9
Figure 1-3. Rear View 3 cu ft Models Optional BUS Connections Remote Alarm Contacts and Analog Output RS-232 or RS-485 Interface Power Switch (mains disconnect) Threaded holes for wall bumpers Power Inlet Access Port Figure 1-4. Rear View Remaining Models TSC Series Thermo Scientific...
Page 10
Battery Switch Figure 1-6. All Models Except 3 cu ft Thermo Scientific TSC Series...
Page 11
System battery Figure 1-8. 3 cu ft Models TSC Series Thermo Scientific...
Enter - Stores the value into computer memory. Silence Temp Display Low Battery Visual Alarm Mode Indicator Indicator Hot Condenser Indicator SYSTEM OK Enter Scroll for Parameters Message Up and Down Arrows Center Arrows Figure 1-9. Control Panel Keys, Display and Indicators Thermo Scientific TSC Series...
Page 13
Section 1 Installation and Start-up Panel Keys, Display, TSC Series freezers have four basic modes which allow freezer setup: Run, Settings, Calibrate and Configuration. Indicators (cont.) Run is the default mode which the freezer will normally be in during operation.
The freezer can be easily pushed to the desired approved location, as described previously. When the freezer is in position, set the front caster brakes. Note Do not move the freezer with the product load inside. Thermo Scientific TSC Series...
Install a neoprene cap on each bolt. Refer to Figure 1-2 for the locations of the pre-tapped holes. RS-232 Communications TSC Series freezers have a data communications interface. The factory default setting is RS-232. The wiring identification for the interface is shown in Figure 1-10.
Note The RS-232 is not compatible with Model 1535 Monitor/Alarm System. * -86C units only Remote Alarm Contacts TSC Series freezers have remote alarm contacts and analog output. and Analog Output See Figures 1-3 and 1-4 for the location of the remote alarm contacts.
36 hours to charge at initial start-up. A “Low Battery” alarm may occur until the batteries are fully charged. Should a power failure occur during the initial start-up period, the electronics will have limited operation. 1-10 TSC Series Thermo Scientific...
5. Press the Mode key until the Run indicator lights for Run mode or press the right/left arrow keys to go to next/previous parameter. If no control keys are pressed, the freezer will automatically return to RUN mode after 5 minutes. Thermo Scientific TSC Series 1-11...
If no control keys are pressed, the freezer will automatically return to RUN mode after 5 minutes. Note The low alarm set point must be set at least 5°C from the control set point. 1-12 TSC Series Thermo Scientific...
* HSHX TEMPERATURE (heat exchanger temperature); -86C units only This information is scrolled individually by pressing the right arrow key. In each case, the message center returns to SYSTEM OK in 10 seconds if no keys are pressed. Thermo Scientific TSC Series 1-13...
Page 21
Numbers decrease to previous parameter Numbers increase MODE Optional Press Enter BACKUP = -XX Back Up System to save setting Scroll for Parameters Set Point Press to return Numbers decrease to previous parameter 1-14 TSC Series Thermo Scientific...
Note During calibration, the temperature display will not be available. If no keys are pressed for approximately five minutes while in calibration mode, the system will reset to Run mode. Thermo Scientific TSC Series...
Page 23
Scroll for Parameters Press to return Numbers decrease to previous parameter Numbers increase MODE Optional SAMPT = -XX.X Press Enter Sample Probe to save setting Scroll for Parameters Press to return Numbers decrease to previous parameter TSC Series Thermo Scientific...
The temperature on the display will begin to decrease until the low alarm set point has been reached. The audible alarm will sound and the alarm indicator will flash. Press the Silence key to mute the alarm. Thermo Scientific TSC Series...
Low Battery indicator will light. Press the Silence key. The audible alarm and alarm indicator will go off. The Low Battery light will stay on. If the test fails, it is recommended to replace the BUS battery. TSC Series Thermo Scientific...
6. Press the Mode key until the Run indicator lights.A 3-digit Access Code can be entered to avoid unauthorized personnel from changing the set points, calibration, or configuration. A setting of 000 will bypass the access code. The factory setting is 000. Thermo Scientific TSC Series...
Cold Excursion This function displays the coldest temperature recorded by the control probe. Warm Excursion This function displays the warmest temperature recorded by the control probe. Reset Excursion This function resets the cold and warm excursions. TSC Series Thermo Scientific...
Page 28
SYS BAT TEST to initiate Scroll for Parameters test Press to return to previous parameter MODE Optional Press Enter BUS BAT TEST BUS Battery to initiate test Scroll for Parameters Test Press to return to previous parameter Thermo Scientific TSC Series...
Page 29
MODE Type CO2 BUS TYPE CO2 Press Enter to Optional Scroll for Parameters save the setting Back Up Press to return Type LN2 System Type to previous parameter TSC Series Thermo Scientific...
Page 30
MODE Press Enter to reset the cold RST EXCUR Reset and warm Scroll for Parameters Scroll for Parameters Excursions excursion values Press Mode to exit. Press right or left arrow to move to next digit. Thermo Scientific TSC Series...
Alarms Section 4 The TSC Series freezer alarm system is shown below. When an alarm is active, a message appears in the LED message center. Press the Silence key to mute the audible alarm for the ringback period. The visual alarm continues until the freezer returns to a normal condition.
However, with this type of failure, freezer operation becomes undependable. Lost Communication Communication between the micro board and the display board has been lost. Under this condition, the visual alarm flashes along with dashes in the temperature display (----). Contact Technical Services.P TSC Series Thermo Scientific...
Page 33
ErF1 .. Unit is 230V and the voltage detected is above the high limit (260VRMS) Erg1 .. Unit is 115V and the voltage detected is below the low limit (85VRMS) ErH1 .. Unit is 115V and the voltage detected is above the high limit (160VRMS) ErH1 “VAC > 160V” Thermo Scientific Ultima Plus...
Page 34
“Seven segment” display will show “Er07”. The -86C system will have 10 minute staging between the high stage compressor and the low stage compressor activation (-40C units will activate the compressor). The system will go to bottom out temperatures. Ultima Plus Thermo Scientific...
Page 35
Name: Lost Communication dashes) Description: Communication between the micro board and the display board has been lost. Under this con- ---- in dition, the visual alarm flashes along with dashes in thetemperature display (----). Contact Technical Services. display Thermo Scientific Ultima Plus...
1. Open the front door by grasping the handle. See Figures 1-6 and 1-8. 2. Using a vacuum cleaner, exercising care to not damage the condenser fins, clean the condenser. Depending upon environmental conditions, the condenser may need to be cleaned more frequently. Thermo Scientific TSC Series...
Turn Off the battery power switch (O). Turn Off the freezer power Storage switch. Note If the unit has been in service, turn it off and disconnect the power cord connector before proceeding with any maintenance. TSC Series Thermo Scientific...
Replacement batteries must be rechargeable and are available from Thermo. Refer to the parts list for stock number and description of the replacement batteries (P/N 400159). Dispose of the used batteries in a safe manner and in accordance with good environmental practices. Thermo Scientific TSC Series...
6. If the voltage reads less than 10.8 volts, replace the battery. If above 10.8, re-install as previously. 7. Turn the battery power switch to Standby mode ( ). 8. Close lower door. TSC Series Thermo Scientific...
* Clean condenser compartment and wipe off condenser. See “Clean Condenser” in Section 5. Preventive Maintenance *Back-up System - inject test & battery. See Section 6. * Qualified service technicians only ** Dispose of properly, according to all state and federal regulations. Thermo Scientific TSC Series...
Note Cover open end of injection assembly with tape to keep insulation from entering the nipple. 2. Slide 3/8” flatwasher over open end of nipple. 3. Insert the covered end of the injection assembly through exterior hole. Thermo Scientific TSC Series...
(viewed from the side) of 12.7 and 20 cu. ft. models, and in the lower right corner (viewed from the back) of 3.0 cu. ft. models. Two Back-Up Probes Wires Solenoid Wires Probe-1 Probe-2 Solenoid Figure 6-3. Probe and Solenoid Connections TSC Series Thermo Scientific...
Page 43
Secure the back-up probes to the temperature probe using a small tie wrap (Figure 6-5). Figure 6-5. Probe location 6. Seal around the interior and exterior opening of the probe port with Permagum sealant. 7. Reinstall the probe cover (Figure 6-5). Thermo Scientific TSC Series...
Refer to Appendix A for the proper handling of liquid LN Backup System Power Low Battery Solenoid Engaged Press to test Figure 6-6. BUS Control Panel TSC Series Thermo Scientific...
Page 45
ON (illuminated) and the other half of the second interval being OFF. After the sequence concludes, both the Low Battery LED and the Solenoid Engaged LED will flash four times ON/OFF quickly to indicate a return to normal display. Thermo Scientific TSC Series...
Page 46
Note PWM mode: If both probes fail, the solenoid will activate peridically, allowing the flow of refrigerant (CO2 or LN2). Non-PWM mode: If both probes fail, the solenoid remains OFF and no refrigerant will flow. Figure 6-7. Jumper Cap for Hysteresis & Dual Probe Fault Mode Selection TSC Series Thermo Scientific...
(See Section 1 - Setting the High Temperature Alarm). If the back-up system is installed with CO , then - 65°C is the coldest BUS set point that can be used (if the cabinet set point is -75°C or colder). Thermo Scientific TSC Series...
2. Unscrew the knob at the center of the chart and remove the paper. 3. Install the new chart paper, position the paper to the correct time line and replace the knob. 4. Remove the cap from the felt pen and press button #3. TSC Series Thermo Scientific...
Note The felt-tip pen on the recorder requires periodic replacement. Usually the ink will appear to fade before replacement becomes necessary. Additional pen tips may be purchased from Thermo. Thermo Scientific Model 8700 Series...
Page 54
2500V for a 230V supply and 1500V for a 120V supply. Pollution degree describes the amount of conductive pollution present in the operating environment. Pollution degree 2 assumes that normally only non-conductive pollution such as dust occurs with the exception of occasional conductivity caused by condensation. Thermo Scientific TSC Series...
Page 56
Section 8 Spare Parts Exploded Drawing 3 cu ft Chest Freezer Heat Exchanger 8700-201-1-B Rev. 0 Page 1 of 1 TSC Series Thermo Scientific...
Page 57
Section 8 Spare Parts Exploded Drawing Model: 3 cu ft Chest Freezer Lid (F -TS) 8700-200-1-B Rev. 1 Page 1 of 2 Thermo Scientific TSC Series...
Page 58
Section 8 Spare Parts Exploded Drawing Model: 3 cu ft Chest Freezer Lid (F -TS) 8700-200-1-B Rev. 1 Page 2 of 2 TSC Series Thermo Scientific...
Page 59
Section 8 Spare Parts Exploded Drawing 3/6.7 cu ft Chest Freezer Cabinet Assy (F - TS) 8700-200-2-B Rev. 0 Page 1 of 2 Thermo Scientific TSC Series...
Page 60
Section 8 Spare Parts Exploded Drawing 3/6.7 cu ft Chest Freezer Cabinet Assy (F - TS) 8700-200-2-B Rev. 0 Page 2 of 2 TSC Series Thermo Scientific...
Page 61
Section 8 Spare Parts 8704-200-3 Rev. 4 12.7 cu ft Chest Freezer Side Car (F - TS) Page 1 of 2 Thermo Scientific TSC Series...
Page 62
Section 8 Spare Parts 12.7 cu ft Chest Freezer Side Car (F - TS) 8704-200-3 Rev. 4 Page 2 of 2 TSC Series Thermo Scientific...
When handling liquid in open containers, it is advisable to wear high-top shoes. Trousers (which should be cuffless if possible) should be worn outside the shoes. Thermo Scientific TSC Series A -1...
Page 102
Use only the loose- fitting necktube core supplied or one of the approved accessories for closing the necktube. Check the unit periodically to be sure that venting is not restricted by accumulated ice or frost. A -2 TSC Series Thermo Scientific...
Page 103
Disposal of liquid nitrogen should be performed outdoors in a safe place. Pour the liquid slowly on gravel or bare earth where it can evaporate without causing damage. Do not pour the liquid on pavement. Thermo Scientific TSC Series A -3...
Disposal of liquid CO should be done outdoors in a safe place. Pour the liquid slowly on gravel or bare earth where it can evaporate without causing damage. Do not pour the liquid on pavement. A -4 TSC Series Thermo Scientific...
108°F. Under no circumstance should the water be over 112°F, nor should the frozen part be rubbed either before or after rewarming. The patient should neither smoke nor drink alcohol. Thermo Scientific TSC Series A -5...
Need help?
Do you have a question about the TSC Series and is the answer not in the manual?
Questions and answers